Tim Attwood wrote:

>> Can anybody help?
> 
> Without seeing your code it's dificult, because it should
> work fine. Here is a sample that works fine with mesh2.

Hi Tim

Thanks for replying - I checked the code you provided and I cannot see the
difference between yours and mine:

global_settings {
  adc_bailout 0.003922
  ambient_light <1.0,1.0,1.0>
  assumed_gamma 1.9
  hf_gray_16 off
  irid_wavelength <0.247059,0.176471,0.137255>
  max_intersections 64
  max_trace_level 10
  number_of_waves 10
  noise_generator 2
  charset ascii
  photons
  {
        count 20000
        jitter .4
        radius ,1.5
  }
}

.
.
.
#declare Light001 = light_source {
  <0.0, 0.0, 0.0>
  color rgb <1.000, 1.000, 1.000>*1.4500
  photons {
  }
  translate  <0.984692, -14.212549, 19.073553>
  
  photons
  {
        refraction on
        reflection on
  }
}
.
.
.
#declare myobject=mesh2{
vertex_vectors{
144,
<-5.510035,-2E-6,14.84191>,
<-5.986242,-2E-6,14.94362>,
<-6.483728,-2E-6,14.82747>,
.
.
.
}

object
{
 myobject
  
 material
   {   

      texture

      {      

         pigment

         {

            color rgbft <0.27451, 0.741176, 0.156863, 0.45, 0.75>

         }      

         finish

         {

            ambient 0.2

            specular 0.4

            roughness 0.01

            conserve_energy

            reflection

            {

               0.15 , 0.25

               fresnel  off

               falloff  1.0

               exponent 1.0

               metallic 0.0

            }

         }

      }   

      interior

      {

         ior 1.35

         caustics 1.25

         dispersion 1.25

         dispersion_samples  10

      }

   }            
        
 
 photons
 {
        target
        refraction on
        reflection on
        collect off
 } 
}
.
.
.

The above gives me 0 photons emitted - I cannot spot a functional difference
with your code? Except that you specify a photon density and I used a
count - I tried using density as well (just like you did) with no results -
0 photons are still emitted...

Thanks for the reply!
-- 
Stefan

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